72310497 has 16 divisors (see below), whose sum is σ = 112268160. Its totient is φ = 40540032.

The previous prime is 72310471. The next prime is 72310519. The reversal of 72310497 is 79401327.

It is not a de Polignac number, because 72310497 - 2⁸ = 72310241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72310417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31372 + ... + 33597.

It is an arithmetic number, because the mean of its divisors is an integer number (7016760).

Almost surely, 2^72310497 is an apocalyptic number.

It is an amenable number.

72310497 is a deficient number, since it is larger than the sum of its proper divisors (39957663).

72310497 is a wasteful number, since it uses less digits than its factorization.

72310497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65032.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 72310497 is about 8503.5579024312. The cubic root of 72310497 is about 416.6139253421.

The spelling of 72310497 in words is "seventy-two million, three hundred ten thousand, four hundred ninety-seven".